Representation theory and automorphic functions /
Gelʹfand, I. M.(Izrailʹ Moiseevich)
Hirsch, Kurt August.
Graev, M. I.
Philadelphia London Saunders
1969
Originally published as 'Obobschennye funktsii, v. 6: Teoriia predstavlenii i avtomorfnye funktsii'. Moscow: Izdatelstvo Nauka, 1966
bibl p417-420
Functional a3lysis.